Major Blockage

A blockage (structural defect, collapse, protruding service connection, debris) which prohibits manhole-to-manhole cleaning, TV inspections pipe flow, or rehabilitation procedures.

Make-Up Time

The time spent to add a pipe segment and make connections.

Male Hex Connector

See ShankA hardened male hex bar, containing one or more transverse holes, to couple and hold in a female hex connector..

Man-Accessible

Description of a pipe or excavation which can be physically entered by an operative.

Man-Entry

Describes any trenchless technology process which requires an operative to enter a pipe, duct or bore. OSHAOccupational Safety and Health Administration has no minimum size limit for Man-EntryDescribes any trenchless technology process which requires an operative to enter a pipe, duct or bore. OSHA has no minimum size limit for Man-Entry; however, they address a much broader concept of "confined space" in Title 29 Code of Federal Regulations Part 1910.146. The minimum size for which this is permissible in the UK is 900 mm (approximately 36 in.).; however, they address a much broader concept of “confined space” in Title 29 Code of Federal Regulations Part 1910.146. The minimum size for which this is permissible in the UK is 900 mm (approximately 36 in.).